FR2253316B1 - - Google Patents
Info
- Publication number
- FR2253316B1 FR2253316B1 FR7439260A FR7439260A FR2253316B1 FR 2253316 B1 FR2253316 B1 FR 2253316B1 FR 7439260 A FR7439260 A FR 7439260A FR 7439260 A FR7439260 A FR 7439260A FR 2253316 B1 FR2253316 B1 FR 2253316B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973137615U JPS5327452Y2 (it) | 1973-11-29 | 1973-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2253316A1 FR2253316A1 (it) | 1975-06-27 |
| FR2253316B1 true FR2253316B1 (it) | 1979-07-06 |
Family
ID=15202805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7439260A Expired FR2253316B1 (it) | 1973-11-29 | 1974-11-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3956594A (it) |
| JP (1) | JPS5327452Y2 (it) |
| CA (1) | CA1047181A (it) |
| DE (1) | DE2456332A1 (it) |
| FR (1) | FR2253316B1 (it) |
| GB (1) | GB1474041A (it) |
| IT (1) | IT1030855B (it) |
| NL (1) | NL7415493A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158222A (ja) * | 1984-12-28 | 1986-07-17 | Sony Corp | 受信機の表示装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2712596A (en) * | 1952-06-18 | 1955-07-05 | Harold T Sherman | Binaural radio systems |
| US3526838A (en) * | 1967-12-20 | 1970-09-01 | Heath Co | Tuning indicator system for fm receiver |
| US3569633A (en) * | 1967-12-21 | 1971-03-09 | Heath Co | Fm stereo receiver having automatic threshold switching circuitry |
| US3696301A (en) * | 1969-10-08 | 1972-10-03 | Nippon Musical Instruments Mfg | Tuning indicating apparatus for fm receiver |
-
1973
- 1973-11-29 JP JP1973137615U patent/JPS5327452Y2/ja not_active Expired
-
1974
- 1974-11-25 US US05/526,817 patent/US3956594A/en not_active Expired - Lifetime
- 1974-11-27 NL NL7415493A patent/NL7415493A/xx not_active Application Discontinuation
- 1974-11-27 GB GB5141874A patent/GB1474041A/en not_active Expired
- 1974-11-28 CA CA214,861A patent/CA1047181A/en not_active Expired
- 1974-11-28 DE DE19742456332 patent/DE2456332A1/de not_active Ceased
- 1974-11-29 IT IT7430053A patent/IT1030855B/it active
- 1974-11-29 FR FR7439260A patent/FR2253316B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5327452Y2 (it) | 1978-07-12 |
| NL7415493A (nl) | 1975-06-02 |
| IT1030855B (it) | 1979-04-10 |
| JPS5081107U (it) | 1975-07-12 |
| GB1474041A (en) | 1977-05-18 |
| CA1047181A (en) | 1979-01-23 |
| DE2456332A1 (de) | 1975-06-05 |
| US3956594A (en) | 1976-05-11 |
| FR2253316A1 (it) | 1975-06-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |